We've known about HIV for 60 years, there's no vaccine… the common cold is caused by a coronavirus, there's no vaccine… we can't just assume we'll find one for COVID-19.

The HSE's assistant national director for public health on #OnTheRecord, from 1h03: https://www.newstalk.com/listen-back 

Dr Kevin Kelleher also calmly explained that it's one thing to find a vaccine, but then quite another to be able to scale it up and manufacture it on scale that offers anything close to global herd immunity… sobering stuff, but very calmly explained. #OnTheRecord